docs: def config_table(settings):
      """Returns a config table."""
      table = formatting.KeyValueTable(['name', 'value'])
      table.align['name'] = 'r'
      table.align['value'] = 'l'
      table.add_row(['Username', settings['username'] or 'not set'])
      table.add_row(['API Key', settings['api_key'] or 'not set'])
      table.add_row(['Endpoint URL', settings['endpoint_url'] or 'not set'])
      table.add_row(['Timeout', settings['timeout'] or 'not set'])
      return table